[INFO] fetching crate chipo 2.1.0... [INFO] testing chipo-2.1.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate chipo 2.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate chipo 2.1.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate chipo 2.1.0 [INFO] finished tweaking crates.io crate chipo 2.1.0 [INFO] tweaked toml for crates.io crate chipo 2.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5a5edfaf470c7d33b6d5dce36e8c3c9a9409a9734d7910d4610c10616ca1aec [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a5a5edfaf470c7d33b6d5dce36e8c3c9a9409a9734d7910d4610c10616ca1aec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5a5edfaf470c7d33b6d5dce36e8c3c9a9409a9734d7910d4610c10616ca1aec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5a5edfaf470c7d33b6d5dce36e8c3c9a9409a9734d7910d4610c10616ca1aec", kill_on_drop: false }` [INFO] [stdout] a5a5edfaf470c7d33b6d5dce36e8c3c9a9409a9734d7910d4610c10616ca1aec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6384596feb73e57b1adfaa9168dc3f144513088f2aa11658adc75a349d605739 [INFO] running `Command { std: "docker" "start" "-a" "6384596feb73e57b1adfaa9168dc3f144513088f2aa11658adc75a349d605739", kill_on_drop: false }` [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)`. [INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/deps/libchipo.so [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)`. [INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/libchipo.so [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling chipo v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.80s [INFO] running `Command { std: "docker" "inspect" "6384596feb73e57b1adfaa9168dc3f144513088f2aa11658adc75a349d605739", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6384596feb73e57b1adfaa9168dc3f144513088f2aa11658adc75a349d605739", kill_on_drop: false }` [INFO] [stdout] 6384596feb73e57b1adfaa9168dc3f144513088f2aa11658adc75a349d605739 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ae8aef074dde71757f4d61f27c5cbb0fd433529af72ddff6332a87ac13abde3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3ae8aef074dde71757f4d61f27c5cbb0fd433529af72ddff6332a87ac13abde3", kill_on_drop: false }` [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `chipo` in package `chipo v2.1.0 (/opt/rustwide/workdir)`. [INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/deps/libchipo.so [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] thread 'main' panicked at 'assertion failed: mtimes.insert(output.clone(), mtime).is_none()', src/tools/cargo/src/cargo/core/compiler/fingerprint.rs:985:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5584fc229d20 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5584fc229d20 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5584fc229d20 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5584fc229d20 - ::fmt::h7881e3a580134f9a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5584fc2548bc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x5584fc220b72 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x5584fc22d155 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5584fc22d155 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5584fc22d155 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5584fc22ccaa - std::panicking::default_hook::hb08853b392b9404b [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5584fc22d8f1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5584fc22d407 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:495:13 [INFO] [stderr] 12: 0x5584fc22a1dc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5584fc22d399 - rust_begin_unwind [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5584fc252f61 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5584fc252ead - core::panicking::panic::h5d1c61fed2502a5f [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:50:5 [INFO] [stderr] 16: 0x5584fbb5e5ac - cargo::core::compiler::fingerprint::calculate::h9cde55267677bd53 [INFO] [stderr] 17: 0x5584fbb55fab - cargo::core::compiler::fingerprint::prepare_target::hae52c8ce09c8cfa8 [INFO] [stderr] 18: 0x5584fbcbec2a - cargo::core::compiler::compile::hdec1de0094490c12 [INFO] [stderr] 19: 0x5584fbcbef25 - cargo::core::compiler::compile::hdec1de0094490c12 [INFO] [stderr] 20: 0x5584fba0aad9 - cargo::core::compiler::context::Context::compile::h10346e2614b428b2 [INFO] [stderr] 21: 0x5584fbcd79a1 - cargo::ops::cargo_compile::compile_ws::hf61895849244ec0d [INFO] [stderr] 22: 0x5584fbcd76fe - cargo::ops::cargo_compile::compile::h89ce26e1478bfd14 [INFO] [stderr] 23: 0x5584fbd1de12 - cargo::ops::cargo_test::compile_tests::hc905bb1bed4da8c4 [INFO] [stderr] 24: 0x5584fbd1ab62 - cargo::ops::cargo_test::run_tests::h9c5971c20d5b55c7 [INFO] [stderr] 25: 0x5584fb91b983 - cargo::commands::test::exec::hedc7f357817579f7 [INFO] [stderr] 26: 0x5584fb8b6999 - cargo::cli::main::h83e133ac3abf5c38 [INFO] [stderr] 27: 0x5584fb91c788 - cargo::main::hc0f94270695bd604 [INFO] [stderr] 28: 0x5584fb912e73 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c42ec22127d8c0c [INFO] [stderr] 29: 0x5584fb9130f9 - std::rt::lang_start::{{closure}}::hf542c54266685c42 [INFO] [stderr] 30: 0x5584fc22de07 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 31: 0x5584fc22de07 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stderr] 32: 0x5584fc22de07 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stderr] 33: 0x5584fc22de07 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stderr] 34: 0x5584fc22de07 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25 [INFO] [stderr] 35: 0x5584fb91ef72 - main [INFO] [stderr] 36: 0x7fbd69a0b0b3 - __libc_start_main [INFO] [stderr] 37: 0x5584fb8ab071 - [INFO] running `Command { std: "docker" "inspect" "3ae8aef074dde71757f4d61f27c5cbb0fd433529af72ddff6332a87ac13abde3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ae8aef074dde71757f4d61f27c5cbb0fd433529af72ddff6332a87ac13abde3", kill_on_drop: false }` [INFO] [stdout] 3ae8aef074dde71757f4d61f27c5cbb0fd433529af72ddff6332a87ac13abde3